Disconnect the cable from the negative battery terminal, ensuring to disable the anti-theft feature on models equipped with a Delco Loe II audio system. For the dash mounted speaker, remove the dash pad by taking out the four retaining screws underneath its lip, then remove the four bolts securing the speaker to the braces and lift the speaker out while disconnecting the wire connector. For the rear quarter speaker, take off the rear quarter trim panel, disconnect the electrical connector from the speaker, and remove the screws holding the speaker to the mounting bracket before taking it out. In the rear compartment, open the area, remove the screws from the speaker grill and take off the grille, then remove the speaker mounting screws, lift the speaker, disconnect the electrical connector, and remove the speaker. Installation for all speakers follows the reverse order of removal.